Blogs

About this blog

I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture.

I was lucky enough to be in Silicon Valley Lab for DB2 BootCamp last week. There I ran into a DB2 developer I've worked very successfully with in the past - John Tobler. (He's the guy I look to for questions and issues with DB2 SMF data.) We had a good discussion about something I'd personally like to see in DB2 Accounting Trace - more WLM information - and this post is as a result of this... [More]

I'm beginning to look at performance data slightly differently these days... As well as plotting things by Time Of Day (which our tools have done for 25 years) I'm beginning to plot things more directly with load. (Time Of Day is sort of code for With Load but not really - telling a story people can relate to more directly.) The first instance of this "with load" approach was plotting... [More]